Valmet 8550
Power
158 hp
Production
1995-2002
Engine
SisuDiesel 634 DSRE, 6-cylinder
Transmission
HiTech
Weight
11460 lbs [5198 kg]
Drive
4WD
From the same series:
Introduction
Valmet 8550 Row-Crop Tractor
The Valmet 8550 is a row-crop tractor produced between 1995 and 2002 in Suolahti, Finland. Designed for heavy-duty agricultural operations, this machine belongs to the 8000 series and focuses on power delivery and mechanical versatility.
Engine and Performance
The tractor is powered by a SisuDiesel 634 DSRE liquid-cooled, 6-cylinder turbocharged engine with a 7.4-liter displacement. It generates 158.2 hp (118.0 kW) at a rated speed of 2200 RPM. The engine is tuned for torque, providing 479.4 lb-ft (650.1 Nm) at 1400 RPM, which supports sustained pulling power under load.
Transmission and Drivetrain
The 8550 utilizes the HiTech transmission system, featuring 36 forward and reverse gears. The configuration consists of four gears across three ranges, complemented by a three-speed power shift and a power shuttle for efficient directional changes. The drivetrain is a four-wheel drive system, supported by power steering and hydraulic wet disc brakes for consistent control.
Hydraulics and Hitch
The hydraulic system operates at a pressure of 2756 psi (190.0 bar) with a pump flow rate of 19.3 gpm (73.1 lpm). The rear hitch is a Category III type with a lift capacity of 15,432 lbs (6999 kg), allowing for the attachment of heavy implements.
PTO and Dimensions
The independent rear PTO offers standard 540 and 1000 RPM speeds, with optional 540E modes available. The tractor has a wheelbase of 100.7 inches (255 cm) and an overall weight of 11,460 lbs (5198 kg). It is equipped with 16.8R28 front and 20.8R38 rear agricultural tires.
Conclusion
The Valmet 8550 is a high-capacity tractor built for demanding row-crop farming. Its combination of a high-torque SisuDiesel engine, a multi-speed HiTech transmission, and significant lifting capacity makes it suitable for intensive field work and heavy implement management.
Production Information of Valmet, 8550
- Row-Crop tractor
- Built in Suolahti, Finland
| Manufacturer | Valmet |
|---|
Dimension and Tires Information of Valmet, 8550
| Clearance (front axle) | 21.9 inches [55 cm] |
|---|---|
| Wheelbase | 100.7 inches [255 cm] |
| Height (exhaust) | 111.8 inches [283 cm] |
| Height (cab) | 111.4 inches [282 cm] |
| Length | 194.5 inches [494 cm] |
| Clearance (rear axle) | 21.1 inches [53 cm] |
| Weight | 11460 lbs [5198 kg] |
| Width | 88.2 inches [224 cm] |
| Ag front | 16.8R28 |
|---|---|
| Ag rear | 20.8R38 |
Engine Specifications of Valmet, 8550
- SisuDiesel 634 DSRE
- Liquid-cooled
- Turbocharged diesel
- 6-cylinder
| Starter | Electric |
|---|---|
| Displacement | 449.6 ci [7.4 L] |
| Rated RPM | 2200 |
| Bore/Stroke | 4.25x5.28 inches [108 x 134 mm] |
| Starter volts | 12 |
| Torque RPM | 1400 |
| Torque | 479.4 lb-ft [650.1 Nm] |
| Power | 158.2 hp [118.0 kW] |
Transmission Information of Valmet, 8550
Transmission variants 1
- Four gears in three ranges with three-speed power shift and power shuttle.
| Transmission | HiTech |
|---|---|
| Type | Three-speed power shift |
| Gears | 36 forward and reverse |
Mechanical Specs of Valmet, 8550
- Four-wheel drive
- Cab standard.
- Power steering
- Hydraulic wet disc brakes
Power Information of Valmet, 8550
| Rear PTO | Independent |
|---|---|
| Engine RPM | 540@1874 |
| Engine RPM(optional) | 1000 |
| Rear PTO Type | 540/1000 |
| Rear PTO Type(optional) | 1000@2080 |
| Rear PTO Type(optional) | 540/540E |
Hydraulics Specifications of Valmet, 8550
| Pressure | 2756 psi [190.0 bar] |
|---|---|
| Pump flow | 19.3 gpm [73.1 lpm] |
Three-Point Hitch of Valmet, 8550
| Rear Type | III |
|---|---|
| Rear lift | 15432 lbs [6999 kg] |
Electrical System of Valmet, 8550
| Ground | Negative |
|---|---|
| Charging system | Alternator |
| Battery volts | 12 |
Where it sits
With 158 HP, the Valmet 8550 sits just below 8750 (190 HP) in Valmet's range. Its power puts it in the 86th percentile of 1990s models in our database (2097 machines).
Frequently asked questions
How much horsepower does the Valmet 8550 have?
The Valmet 8550 delivers 158 HP.
What years was the Valmet 8550 produced?
The Valmet 8550 was produced in 1995-2002.
What engine does the Valmet 8550 have?
The Valmet 8550 is powered by a SisuDiesel 634 DSRE, 6-cylinder engine.
What transmission does the Valmet 8550 use?
The Valmet 8550 uses a HiTech transmission.
How much does the Valmet 8550 weigh?
The Valmet 8550 weighs 11460 lbs [5198 kg].
Is the Valmet 8550 4WD?
The Valmet 8550 is available in 4WD.